Answer:
<u><em>Definition of spectral line: </em></u><em>one of a series of linear images formed by a spectrograph or similar instrument and corresponding to a narrow portion of the spectrum of the radiation emitted or absorbed by a particular source.</em>
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<u><em>Definition of Wavelength:</em></u><em> can be defined as the distance between two successive crests or troughs of a wave. It is measured in the direction of the wave. ... Wavelength is inversely proportional to frequency. This means the longer the wavelength, lower the frequency.</em>
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<em>So, the spectrum is the range of wavelength in visible light. While, wavelength is the length of a wave.</em>
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Explanation:
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Work is force times distance. If there's no distance, there's no work being done.
Answer:42 cm 3 cubic unit
Explanation:
are you sure it's Thaivan or Taiwan. If it's Taiwan than it's Taipei.
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It is the mathematical and conceptual framework for contemporary Elementary practical physicas. if that make sense to you.